Exam material
12 important questions on Exam material
What are the 10 sequential stages of investigating an outbreak, and can they overlap in practice?
- Outbreak detection
- Investigation
- Confirmation
- Notification
- Analysis
- Treatment of cases
- Interruption of transmission
- Prevention of recurrence
- Analysis and writing of a report
- Surveillance
These stages are not strictly mutually exclusive; while logically ordered, several actions (e.g. case management, transmission interruption, and notification) are routinely conducted concurrently during an active epidemic.
Why is developing an explicit case definition vital during an epidemiological investigation?
- If too broad or simple, it includes non-cases and overestimates the outbreak.
- If too narrow or complex, it misses genuine infections and limits containment. In outbreak settings, it often links clinical signs with specific parameters of place and time (e.g. fever with characteristic rash in village X during January–February).
In outbreak management, what are the three distinct phases of interrupting transmission?
- Emergency methods: Rapid, non-specific actions initiated immediately before detailed investigation finishes to halt broad exposure (e.g. ULV fogging for adult mosquitoes, emergency boiling of drinking water).
- Specific methods: Targeted interventions based on the identified causative agent and transmission route (e.g. targeted larvicides in domestic containers for Aedes mosquitoes).
- Long-term prevention: Permanent environmental or structural modifications to prevent recurrence (e.g. piped water, screening rainwater tanks, permanent sanitation infrastructure).
- Higher grades + faster learning
- Never study anything twice
- 100% sure, 100% understanding
For my 1st exam, I got a C. Then, I started looking for ways to learn better, and I came across Sailabus. Since then, I have scored an A+, A, A-, and another A. I highly recommend it to everyone who wants to hear it. I am so happy with it!!
I was struggling to finish all my first-year subjects for three years. Then I discovered Sailabus, which helped me to complete all of them within three months.
Because of Sailabus, things are going well in many ways. Before, I always had study stress and no time for anything. Now I feel calm and confident (because of the program). I used to score a B, and now I usually score an A or A+.
Hey Chris, I really want to thank you very much for developing the platform, I usually got around C for my exams, now I scored an A+, an A and a A- !!
Since using Sailabus, my average has increased significantly. I even completed a statistics course with an A+ while I'm bad at statistics. I took on extra classes this year because of Sailabus. Thanks so much!
Ever since I started studying with Sailabus, I have passed all my exams! No more re-sits! At first, I was happy with a pass, and now I only get good grades. Many thanks!
I aced all the courses I studied with Sailabus. For law, I first scored a D, and now an A! I’m 100% sure that I’ll pass all the courses I study with Sailabus.
I always thought I studied well. My grades were fine. I could never have imagined that applying these study skills would have such a huge and direct impact on each stage, my speed, and the pleasure I have in learning.
For the first time, I finally feel confident about the way I learn. I have the perfect overview and have made significant progress in terms of speed and the grades I get. Thanks, Chris!
I immediately started to enjoy learning again, and my grades soared. All of a sudden, everything went better. I highly recommend Sailabus to all students..
Being able to create my materials online made the process of studying so much smoother and quicker. I no longer have to spend a considerable amount of my time developing my summaries.
At first, my notes were a mess. Now I use Sailabus to take my notes in a perfectly structured way. It helps me to save a lot of time and do other things I enjoy.
Students that study with Sailabus get better grades. The system applies all the learning methods so that both well-performing students and students who struggle perform much better.
Hi Chris, I would like to thank you very much. Last year I scored C on a course, and this year I got an A+ thanks to your method! Thank you very much!
The most considerable effect is that my child is more enthusiastic about school! Every parent wants their children to be happy at school. Sailabus made it happen.
In high school, I failed several exams, and that has really changed now. I actually needed this tool very much back then. Since I started studying with Sailabus, I haven't had any Ds. My average score is now an A, and those are results I would have never had in the past.
With my old method, I passed only 3 out of 8 courses. However, since I started taking my notes digitally in Sailabus, I have passed all my lessons on the first try. For me, Sailabus takes away the stress of wondering if I will give or not.
Thanks to Sailabus, I passed all my exams and with better grades than before! On top of that, I have mastered a perfect study method now, which I am confident will help me earn my degree.
What are the four primary operational forms of public health surveillance described by Webber?
- Routine or passive surveillance: Continuous collection and reporting of illness data from regular health facility records and consultations.
- Active surveillance: Deliberate, active searching for target cases or contacts in the community by specialized field workers (e.g. blood filming for malaria contacts, door-to-door leprosy case detection).
- Sentinel surveillance: Gathering high-quality epidemiological or laboratory data from a select group of designated, well-equipped health clinics (e.g. tracking circulating influenza strains).
- Emergency surveillance: Targeted, short-term monitoring established during an active outbreak to track contacts, treatment outcomes, or bacterial resistance
What is the operational distinction between disease control, elimination, and eradication?
- Control: Reducing disease incidence and prevalence to a locally acceptable minimum level where it is no longer a public health priority; requires continuous indefinite effort.
- Elimination: Interruption of endemic transmission within a defined geographical area or WHO region, supported by high-performing surveillance, though imported cases may still occur (e.g. neonatal tetanus, lymphatic filariasis, regional measles).
- Eradication: Permanent worldwide reduction of infection incidence to absolute zero through faultless global effort, meaning routine intervention measures can eventually cease (achieved globally only for smallpox and rinderpest).
What are the major structural differences between vertical campaign programmes and integrated horizontal health services?
What are the core components of the public health approach to clinical services?
- Systematically designing clinical services to target diseases causing the highest morbidity and mortality.
- Deciding what interventions can be managed best at community, primary (health centre), and secondary (district hospital) levels of care.
- Providing evidence-based guidelines for standardized diagnosis and case management (e.g. IMCI, IMAI).
- Strengthening underlying health systems, including essential drug supply management and district referral pathways.
What are the six essential WHO health system building blocks shown in Figure 4.4?
How do social determinants of health and disease stigma obstruct communicable disease containment?
- Disease stigma (e.g. leprosy, HIV): Leads individuals to conceal early symptoms, avoid diagnostic screening, and delay treatment due to fear of social ostracization or family abandonment.
- Delays to care: Patients often consult unregulated practitioners or traditional healers first; by the time they present to formal clinics, disease has advanced, transmission has continued in the community, and complications are severe.
- Mitigation: Comprehensive health promotion, community engagement, and destigmatizing public education must accompany biomedical search-and-treat programmes.
What is social marketing in disease control, and how does it differ from traditional health education?
What three interlinked pillars must be addressed in a comprehensive health promotion programme (Figure 4.8)?
- Public health policy: Legislative and fiscal measures creating an enabling, protective environment (e.g. drug pricing, environmental standards).
- Health services: Ensuring accessible, acceptable, and quality preventive and curative clinical care (e.g. testing, treatment access, counseling).
- Health education: Equipping individuals and communities with knowledge, personal skills, and behavioral change tools to control their own health.
Nog vraag van chapter 3:
In environmental sanitation, what is the minimum safe distance between a pit latrine and a drinking water well, and why?
Mechanism: Bacterial pathogens from pit latrines travel up to 2 metres vertically downwards through soil; upon reaching the water table, contamination can spread horizontally up to 10 metres in the direction of groundwater flow. Fissured rock (e.g. limestone) or heavy pumping can draw contamination over even greater distances.
The question on the page originate from the summary of the following study material:
- A unique study and practice tool
- Never study anything twice again
- Get the grades you hope for
- 100% sure, 100% understanding
